Overview
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Explore a groundbreaking conference talk that introduces a revolutionary Zephyr-based VIRTIO backend for Xen hypervisor technology. Discover how this innovative approach dramatically reduces the trusted computing base to under 1 MB, enabling Zephyr driver domains to boot in tens of milliseconds while consuming only kilobytes of RAM. Learn about the transformative shift from traditional Linux-based driver domains to purpose-built, lightweight alternatives that enable multiple specialized driver domains to coexist safely. Understand how this architecture delivers micro-kernel-style fault isolation, where network stack failures no longer compromise storage or graphics systems, while maintaining Xen's proven hypervisor foundation. Examine the significant implications for functional safety certification, as the minimal RTOS footprint simplifies auditing processes and brings open-source functional safety within reach for automotive, robotics, and other high-integrity applications. Gain insights into the technical architecture, current upstream development status, and the roadmap toward mainline integration. Receive practical build recipes, integration guidance, and concrete first issues to contribute to this technology that positions Xen as a compelling option for edge computing deployments requiring both performance and safety guarantees.
Syllabus
Zephyr‑Based VIRTIO Backend on Xen: Toward Open Source Functional Safety - Hiroshi Tokita
Taught by
Linux Foundation